Improvisation is defined as the ability to perform an activity that was not prepared, that is to say it is developed in the spot.
Explanation:
Jazz is one of the genres that has been really recognized in the world of music due to the use of improvisation, there are some other genres such as rock, blues among others that also improvise but it is normally using simple chord progressions, while Jazz is characterized by its complexity and chord changes as well as altered chords, extended chords among other progressions.
Entasis is a design principle in architecture where in a convex curve was applied to a surface which also serves a strength to the construction and it also gives an optical illusion to it. Egyptian pyramids use this design principle.
After Lennon's death the idea of reunion practically vanished.
Still, Paul McCartney, Star and Harrison got together during their work on "Free as a Bird" (which included the vocals of the late Lennon) for "Anthology 1", released in 1995, and for "Real Love" for "Anthology" 2 ”from 1996.
